Paul R. Posted May 19 Report Share Posted May 19 I currently have a LED box that I used to test continuity on a 28 pin circular connector. See attached photo. Pin 1 when probed (probe is attached to box) on the circular connector corresponds to LED 1, etc. I would like to make a digital display version of this. Any help appreciated on components needed, circuit examples, etc. Quote Link to comment Share on other sites More sharing options...
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